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QxOrm
1.2.7
C++ Object Relational Mapping library
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00001 /**************************************************************************** 00002 ** 00003 ** http://www.qxorm.com/ 00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com) 00005 ** 00006 ** This file is part of the QxOrm library 00007 ** 00008 ** This software is provided 'as-is', without any express or implied 00009 ** warranty. In no event will the authors be held liable for any 00010 ** damages arising from the use of this software 00011 ** 00012 ** Commercial Usage 00013 ** Licensees holding valid commercial QxOrm licenses may use this file in 00014 ** accordance with the commercial license agreement provided with the 00015 ** Software or, alternatively, in accordance with the terms contained in 00016 ** a written agreement between you and Lionel Marty 00017 ** 00018 ** GNU General Public License Usage 00019 ** Alternatively, this file may be used under the terms of the GNU 00020 ** General Public License version 3.0 as published by the Free Software 00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the 00022 ** packaging of this file. Please review the following information to 00023 ** ensure the GNU General Public License version 3.0 requirements will be 00024 ** met : http://www.gnu.org/copyleft/gpl.html 00025 ** 00026 ** If you are unsure which license is appropriate for your use, or 00027 ** if you have questions regarding the use of this file, please contact : 00028 ** contact@qxorm.com 00029 ** 00030 ****************************************************************************/ 00031 00032 #ifndef _QX_ANY_CAST_DYNAMIC_H_ 00033 #define _QX_ANY_CAST_DYNAMIC_H_ 00034 00035 #ifdef _MSC_VER 00036 #pragma once 00037 #endif 00038 00046 #include <boost/any.hpp> 00047 #include <boost/shared_ptr.hpp> 00048 00049 #include <QtCore/qsharedpointer.h> 00050 00051 #include <QxDao/QxDaoPointer.h> 00052 00053 namespace qx { 00054 00055 template <typename T> 00056 struct any_cast_dynamic 00057 { static T get(const boost::any & a) { return boost::any_cast<T>(a); } }; 00058 00059 template <typename T> 00060 struct any_cast_dynamic<T *> 00061 { 00062 static T * get(const boost::any & a) 00063 { 00064 if (a.empty()) { return NULL; } 00065 boost::any * b = const_cast<boost::any *>(& a); 00066 T ** t = boost::unsafe_any_cast<T *>(b); 00067 if (! t) { return NULL; } 00068 return (* t); 00069 } 00070 }; 00071 00072 template <typename T> 00073 struct any_cast_dynamic< boost::shared_ptr<T> > 00074 { 00075 static boost::shared_ptr<T> get(const boost::any & a) 00076 { 00077 if (a.empty()) { return boost::shared_ptr<T>(); } 00078 boost::any * b = const_cast<boost::any *>(& a); 00079 boost::shared_ptr<T> * t = boost::unsafe_any_cast< boost::shared_ptr<T> >(b); 00080 if (! t) { return boost::shared_ptr<T>(); } 00081 return (* t); 00082 } 00083 }; 00084 00085 template <typename T> 00086 struct any_cast_dynamic< QSharedPointer<T> > 00087 { 00088 static QSharedPointer<T> get(const boost::any & a) 00089 { 00090 if (a.empty()) { return QSharedPointer<T>(); } 00091 boost::any * b = const_cast<boost::any *>(& a); 00092 QSharedPointer<T> * t = boost::unsafe_any_cast< QSharedPointer<T> >(b); 00093 if (! t) { return QSharedPointer<T>(); } 00094 return (* t); 00095 } 00096 }; 00097 00098 template <typename T> 00099 struct any_cast_dynamic< qx::dao::ptr<T> > 00100 { 00101 static qx::dao::ptr<T> get(const boost::any & a) 00102 { 00103 if (a.empty()) { return qx::dao::ptr<T>(); } 00104 boost::any * b = const_cast<boost::any *>(& a); 00105 qx::dao::ptr<T> * t = boost::unsafe_any_cast< qx::dao::ptr<T> >(b); 00106 if (! t) { return qx::dao::ptr<T>(); } 00107 return (* t); 00108 } 00109 }; 00110 00111 } // namespace qx 00112 00113 #endif // _QX_ANY_CAST_DYNAMIC_H_